{"id":6477,"date":"2017-04-11T11:44:26","date_gmt":"2017-04-11T09:44:26","guid":{"rendered":"https:\/\/www.econox.com\/nernst-equation"},"modified":"2021-06-22T12:26:58","modified_gmt":"2021-06-22T10:26:58","slug":"rownanie-nernsta","status":"publish","type":"page","link":"https:\/\/www.econox.com\/pl\/sondy-tlenowe\/rownanie-nernsta","title":{"rendered":"R\u00d3WNANIE NERNSTA"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|desktop&#8221; admin_label=&#8221;section&#8221; _builder_version=&#8221;3.22&#8243; background_color=&#8221;#f5f5f5&#8243; custom_padding=&#8221;40px||40px|&#8221; custom_padding_tablet=&#8221;50px|0|50px|0&#8243; custom_padding_phone=&#8221;&#8221; transparent_background=&#8221;off&#8221; padding_mobile=&#8221;off&#8221; make_fullwidth=&#8221;off&#8221; use_custom_width=&#8221;off&#8221; width_unit=&#8221;on&#8221;][et_pb_row padding_mobile=&#8221;off&#8221; column_padding_mobile=&#8221;on&#8221; admin_label=&#8221;row&#8221; _builder_version=&#8221;3.25&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; make_fullwidth=&#8221;off&#8221; use_custom_width=&#8221;off&#8221; width_unit=&#8221;on&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Texte&#8221; _builder_version=&#8221;4.9.3&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221;]<\/p>\n<h1><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-40\" src=\"https:\/\/www.econox.com\/wp-content\/uploads\/2017\/03\/econox-favicon.png\" alt=\"\" width=\"20\" height=\"20\" \/> <span style=\"font-weight: 400;\">R\u00d3WNANIE NERNSTA (OBLICZANIE %O2)<\/span><\/h1>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;Section&#8221; _builder_version=&#8221;3.22&#8243;][et_pb_row admin_label=&#8221;Ligne&#8221; _builder_version=&#8221;3.25&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;3.25&#8243; custom_padding=&#8221;|||&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text admin_label=&#8221;Texte&#8221; _builder_version=&#8221;4.9.7&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; text_orientation=&#8221;justified&#8221; hover_enabled=&#8221;0&#8243; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<h2><span style=\"font-weight: 400;\">OBLICZANIE ST\u0118\u017bENIA TLENU NA PODSTAWIE SYGNA\u0141U SONDY CARBOPROBE<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Prosz\u0119 wprowadzi\u0107 temperatur\u0119 pracy (500 &#8211; 1700 st. C) oraz zmierzony sygna\u0142 mV (0 &#8211; 1200 mV). Obliczane jest odpowiednie st\u0119\u017cenie tlenu. W przypadku bardzo niskiego st\u0119\u017cenia jest ono wy\u015bwietlane za pomoc\u0105 notacji naukowej.<\/span><\/p>\n<p><a href=\"https:\/\/www.econox.com\/wp-content\/uploads\/2019\/02\/Nernst-equation-V3-1.xlsx\"><b>Kliknij tutaj, aby pobra\u0107 opracowany przez nas arkusz Excel umo\u017cliwiaj\u0105cy obliczenia <\/b><b><br \/><\/b><b>w trybie offline<\/b><\/a><\/p>\n<p><span style=\"font-weight: 400;\">R\u00f3wnanie Nernsta wygl\u0105da nast\u0119puj\u0105co <\/span><b>E = (RT\/nF)ln(pO<\/b><b>2<\/b><b>\/pO<\/b><b>2<\/b><b>\u2018)<\/b><\/p>\n<p><span style=\"font-weight: 400;\">gdzie:<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">E = si\u0142a elektromotoryczna, (mV)<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">R = sta\u0142a gazowa<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">T = temperatura wyra\u017cona w kelwinach<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">n = liczba elektron\u00f3w przenoszonych w reakcji po\u0142\u00f3wkowej<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">F = sta\u0142a Faradaya<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">p = ci\u015bnienie cz\u0105stkowe (u\u0142amek molowy)<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Powy\u017csze r\u00f3wnanie opisuje si\u0142\u0119 elektromotoryczn\u0105 (SEM). Powstaje ona, gdy st\u0119\u017cenie reagenta r\u00f3\u017cni si\u0119 od rozk\u0142adu st\u0119\u017ce\u0144 w elektrolicie.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Je\u015bli tlen ma by\u0107 mierzony, <a href=\"https:\/\/www.econox.com\/oxygen-probes\/operating-principle\/\">przy u\u017cyciu <\/a><\/span><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.econox.com\/oxygen-probes\/operating-principle\/\">elektrolitu<\/a> na bazie cyrkonu<\/span><span style=\"font-weight: 400;\"> i powietrza atmosferycznego przy warto\u015bci referencyjnej pO2 = 0,209, to r\u00f3wnanie to upraszcza si\u0119 do nast\u0119puj\u0105cej postaci:<\/span><\/p>\n<p><b>pO<\/b><b>2<\/b><b>\u00a0= 0,209 exp(-46.421 E\/T)<\/b><\/p>\n<p><span style=\"font-weight: 400;\">R\u00f3wnanie to mo\u017cna przekszta\u0142ci\u0107, aby umo\u017cliwi\u0107 obliczenie SEM na podstawie znanego st\u0119\u017cenia referencyjnego st\u0119\u017cenia tlenu, dla kt\u00f3rego dokonano pomiaru:<\/span><\/p>\n<p><b>E = 0,0496 T log(pO2\/0,209)<\/b><\/p>\n<p><b>ECONOX oferuje <\/b><b><a href=\"https:\/\/www.econox.com\/pl\/sondy-tlenowe\">szeroki zakres sond przemys\u0142owych<\/a>, jak r\u00f3wnie\u017c sond wykorzystywanych w badaniach naukowych oraz w zak\u0142adach garncarskich.<\/b><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00d3WNANIE NERNSTA (OBLICZANIE %O2)OBLICZANIE ST\u0118\u017bENIA TLENU NA PODSTAWIE SYGNA\u0141U SONDY CARBOPROBE Prosz\u0119 wprowadzi\u0107 temperatur\u0119 pracy (500 &#8211; 1700 st. C) oraz zmierzony sygna\u0142 mV (0 &#8211; 1200 mV). Obliczane jest odpowiednie st\u0119\u017cenie tlenu. W przypadku bardzo niskiego st\u0119\u017cenia jest ono wy\u015bwietlane za pomoc\u0105 notacji naukowej. Kliknij tutaj, aby pobra\u0107 opracowany przez nas arkusz Excel umo\u017cliwiaj\u0105cy [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":6650,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nernst equation - Calculation of oxygen concentration - Econox<\/title>\n<meta name=\"description\" content=\"Calculate the oxygen concentration using Nernst&#039;s equation. 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